/Engine/Source/Developer/HierarchicalLODUtilities/Public/IHierarchicalLODUtilities.h
Creates a HierarchicalLODVolume using the bounds of a given LODActor
AHierarchicalLODVolume*
[AHierarchicalLODVolume](API\Editor\UnrealEd\AHierarchicalLODVolume) * CreateVolumeForLODActor ( [ALODActor](API\Runtime\Engine\Engine\ALODActor) * InLODActor, [UWorld](API\Runtime\Engine\Engine\UWorld) * InWorld )